An air-traffic controller observes two aircraft on his radar screen. The first is at altitude 750 m, horizontal distance 19.2 km, and 32.0° south of west. The second aircraft is at altitude 1200 m, horizontal distance 17.8 km, and 19.0° west of south.
(a) Write the displacement vector FROM the first plane TO the second plane, letting î represent east, ĵ north, and k up.
(b)How far apart are the two planes?
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